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All Journal Jurnal Ilmu Politik & Pemerintahan Lokal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Konstitusi JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Mesin International Journal of Natural Science and Engineering Jurnal Ilmiah Teknik Mesin "MEKANIK" indOmera Jurnal Magister Manajemen
N. Nazaruddin
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Automotive Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Other

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EFEKTIVITAS PELAKSANAAN KEBIJAKAN PROGRAM E-KTP (Studi Pelaksanaan Perekaman Data Di Kabupaten Hulu Sungai Utara) Nazaruddin, Nazaruddin
Jurnal Ilmu Politik & Pemerintahan Lokal Vol 2, No 2 (2013)
Publisher : Jurnal Ilmu Politik & Pemerintahan Lokal

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Abstract

Penelitian ini bertujuan untuk menganalisis efektivitas pelaksanaan kebijakan program e-KTP dalam pelaksanaan perekaman data di Kabupaten Hulu Sungai Utara. Pendekatan penelitian kualitatif dengan lokasi di Kabupaten Hulu Sungai Utara. Sumber data berasal dari data primer dan data sekunder, yang dikumpulkan dengan teknik wawancara, observasi, dan dokumentasi. Analisis data menggunakan model analisis kualitatif model dari Miles dan Huberman yang terdiri dari reduksi data, penyajian data, dan kesimpulan. Kredibilitas data dengan perpanjangan pengamatan, meningkatkan ketekunan serta triangulasi. Hasil penelitian menunjukkan bahwa efektivitas pelaksanaan kebijakan program e-KTP dalam pelaksanaan perekaman data di Kabupaten Hulu Sungai Utara Efektivitas belum tercapai, dengan melihat dari pengukuran terhadap tingkat kemampuan suatu organisasi untuk mengadakan sosialisasi, pengembangan konsensus dan komunikasi dengan berbagai macam organisasi lainnya. Integrasi menyangkut proses sosialisasi. Serta kemampuan organisasi untuk menyesuaikan diri dengan lingkungannya. Untuk itu digunakan tolak ukur proses pengadaan dan pengisian tenaga kerja. Dalam hal pencapaian tujuan akhir berupa kurun waktu dan sasaran yang merupakan target kongktit masih belum tercapai. Ini terbukti dari masih belum tercapainya target pelaksanaan perekaman data, yaitu baru mencapai 71,40%. Kendala yang dihadapi dalam pelaksanaan kebijakan program e-KTP pada pelaksanaan perekaman data di Kabupaten Hulu Sungai Utara adalah keterlambatan pengiriman perangkat pelayanan rekam data e-KTP. Dalam hal pelaksanaan penerapan e-KTP, ada 1 (satu) wilayah yang secara geografis merupakan daerah rawa/air yang tidak dapat dijangkau oleh transportasi darat seperti kendaraan roda 4, dimana wilayah tersebut merupakan daerah yang berbatasan dengan Provinsi Kalimantan Tengah. Selain itu sebaran penduduk yang masih terisolir, yakni Kecamatan Paminggir merupakan daerah yang perlu penanganan dan perhatian khusus dalam pelayanan e-KTP mendatang. Disimpulkan bahwa pelaksanaan kebijakan program e-KTP dalam pelaksanaan perekaman data di Kabupaten Hulu Sungai Utara efektivitas belum tercapai.   Kata Kunci: Efektivitas, Perekaman Data, Program e-KTP.
Perancangan Dan Analisis Statik Chassis Kendaraan Shell Eco Marathon Tipe Urban Concept Hidayat, Taufik; Nazaruddin, Nazaruddin; Syafri, Syafri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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In order to realize the energy-efficient car, there are many factors to be considered. One of them is the design of the chassis structure, which serves as a place of support for all components of the vehicle and the driver. The chassis design process starts from the selection of order type, material selection, model design and continued with static analysis. Static analysis is done in a manual way by calculating and using autodesk inventor software. The process of static analysis is in the engine, driver and driver. After the static analysis process continued with the manufacture of components and assembly. Chassis made with length of chassis 2060 mm x width 600 mm. And its chassis structure uses hollow aluminum 40 mm x 40 mm x 2 mm and hollow aluminum 25 mm x 25 mm x 2 mm. Based on the results of static analysis with manual calculations, obtained the maximum stress on the main stem 18,3 MPa And deflection main stem 3.35 MPa. Analyzes by using the autodesk inventor software obtained maximum stress on the main stem 19.4 MPa And deflection on the main bar rod 3.54 mm. The result of the minimum security factor using the inventory autodesk software 10.5. It was concluded that the chassis was still within the limits allowed in load modeling as defined and the main frame proved safe to use.Key Word : Chassis, Autodesk Inventor, Stress, Deformation, Energy Saving
KARAKTERISTIK PENGAYAK GETAR DENGAN SUMBER EKSITASI POROS EKSENTRIK Bur, M; Nazaruddin, Nazaruddin; Mahyuddin, A. I; Samudra, J
Mesin Vol 15, No 1 (2000)
Publisher : Mesin

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Abstract

Vibrating screen is an equipment used to seperate material according to its particle size. It is usually operated in combination with a crusher. A vibrating screen prototype has been developed. This prototype, called as “Pengayak Getar Semen Padang Prototipe—0l" (PGSP PRO-01), employs an eccentric shafi‘ to excite the screen. The prototipe was designed to obtain several experimental parameters such as deck elevation, eccentric shaft rotational speed, screen capacity,types of material and screen mesh, gradation of material and spring stiffness. The characteristics of vibrating screen and material sieved may be determined experimentally. In this study, the performance of PGSP PRO-01 is examined by using silica sand, with a bulk density (ρ) of 1.54ton/m3, and material gradation of 50% of the grains larger than 5 mm, 35 % between 2.5 - 5 mm and 15% are less than 2.5 mm in size. Assuming a 92% screen efliciency and a 0.32 m2 screening area, theoretical screen capacity of 7.5 ton-per-hour (tph) is obtained. Experimentally, optimum screening parameters obtained are 7.2tph capacity at 91.7% efliciency resulting from a 900 rpm speed of eccentric shafi and a 10° deck elevation.
Eksistensi Majelis Kehormatan Mahkamah Konstitusi (Studi Keputusan Majelis Kehormatan Mahkamah Konstitusi Nomor 01/MKMK/X/2013) Sorik, Sutan; Nasution, Mirza; Nazaruddin, Nazaruddin
Jurnal Konstitusi Vol 15, No 3 (2018)
Publisher : Mahkamah Konstitusi Republik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (368.686 KB) | DOI: 10.31078/jk15310

Abstract

Penelitian ini membahas tentang eksistensi Majelis Kehormatan Mahkamah Konstitusi. Metode yang digunakan dalam penelitian ini adalah yuridis normatif. Hasil penelitian menunjukkan bahwa kebebasan Hakim Konstitusi untuk menjalankan fungsi, kewenangan, serta kewajibannya merupakan hal yang mutlak harus dimiliki Hakim Konstitusi. Akan tetapi demi menjamin kehormatan, keluhuran martabat, dan kode etik Hakim Konstitusi, maka harus ada mekanisme pertanggungjawaban setiap perbuatan Hakim Konstitusi melalui pengawasan. Hal ini dilakukan supaya kebebasan tersebut tidak disalahgunakan menjadi tameng hukum oleh Hakim Konstitusi. Studi ini juga berhasil mengkonfirmasi bahwa Keputusan Majelis Kehormatan Mahkamah Konstitusi Nomor 01/MKMK/X/2013 yang menyatakan Hakim Terlapor H.M. Akil Mochtar terbukti melakukan pelanggaran Kode Etik dan Perilaku Hakim Konstitusi, dengan menjatuhkan sanksi pemberhentian tidak dengan hormat, telah memberikan kepastian hukum dan kejelasan lembaga pengawas perilaku Hakim Mahkamah Konstitusi. Sehingga anggapan tirani yudisial, dan tirani kekuasaan kehakiman yang dijalankan Mahkamah Konstitusi secara monopolistik tidak benar-benar terjadi di Mahkamah Konstitusi.This study discusses the existence of the Constitutional Court Honorary Council. The method used in this study is normative juridical, with a decision analysis approach of the Constitutional Court Honorary Council Number 01/MKMK/X/2013. From the analysis, it is known that the freedom of Constitutional Judges to carry out their functions, authorities, and obligations is an absolute requirement for Constitutional Judges. However, in order to guarantee the honor, dignity and ethics code of the Constitutional Justices, there must be a mechanism of accountability for every act of the Constitutional Justice through supervision. This is done so that freedom is not misused to be a legal shield by a Constitutional Judge. This study also succeeded in confirming that the Decision of the Constitutional Court Honorary Assembly Number 01/MKMK/X/2013 stated the Reported Judge H.M. Akil Mochtar was proven to have violated the Code of Ethics and Behavior of Constitutional Judges, by not sanctioning dismissal with respect, has provided legal certainty and clarity of the supervisory body of the conduct of the Judge of the Constitutional Court. So that the assumption of judicial tyranny, and the tyranny of the judicial power exercised by the Constitutional Court are monopolistically not true in the Constitutional Court.
Perancangan Bodi Mobil Hemat Energi Tipe Urban Bono Kampar Saputra, Yudi; Nazaruddin, Nazaruddin; Syafri, Syafri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

When designing a car, it is very important to pay attention to the construction and design of the vehicle. This is useful for getting the security and comfort of users in driving a car. In this study, car body design must have the smallest drag coefficient possible. if the vehicle has a large drag coefficient value, it has a large influence on the efficiency or performance of the vehicle, especially in cars with a large Cd value that will greatly affect vehicle speed. This is useful for minimizing the fuel used, and allows the vehicle to reduce the friction forces caused by air while driving. To get drag coefficients, Computational Fluid Dynamic (CFD) software is used. The software used is Solidworks Flow Simulation. From the results of aerodynamic simulations on four alternative car bodies carried out in this study, the smallest Cd (Coefficient Drag) is the second car body model, which has a Drag Coefficient (Cd) = 0.21Keywords: Car, Aerodynamics, Vehicle Dynamics, Drag Coefficient
Perancangan Dan Analisis Statik Sistem Rangka Mobil Hemat Energi “Asykar Hybrid Universitas Riau” Laka, Oktafatahna; Nazaruddin, Nazaruddin; Syafri, Syafri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Frame is the very important of vehicle. Design of the right frame will provide optimal results between the level of security and the size of the construction. To get an energy-efficient car, it is necessary to design a car frame that fits your needs. From the design carried out based on the body shape of the vehicle, a construction structure of the Asykar Hybrid is Monocoque type frame by using a profile of rectangular hollow section by 30 mm x 50 mm x 2 mm and angel L section 50 mm x 50 mm x 3 mm and dimensions overall frame with a length of 2456 mm x width 932 x height 920 mm. Static analysis calculate by Autodesk Inventor 2018 Student Version software which produces a Principle Stress on the main stem of 46.99 MPa and displacement of 6.005 mm. The results of the manual calculation of the main Principle Stress are 56.94 MPa with a Shear of 28.47 MPa. Safety factor of 4.39 by using Carbon steel ST 37 material. So it was concluded that the framework of energy-efficient cars is safe to use.Keywords: Frame, Principle Stress, Deformation, Energy Saving
PEMBUAT TANGKI PENYIMPAN AIR PANAS TENAGA SURYA MENGGUNAKAN BAHAN SERBUK GERGAJI BATANG KELAPA SEBAGAI ISOLATOR Nazaruddin, Nazaruddin; Iskandar, Iskandar
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 2 No 2 (2016): November 2016
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

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Abstract

Penggunaan pemanas air bertenaga surya semakin populer dan semakin ekonomis. Hal penting yang harus diperhatikan dalam disainnya, pemanas ini harus dapat menjaga agar air tetap panas pada 12 jam kemudian. Untuk itu, maka sistem penyimpanan air panas dirancang sedemikian rupa untuk mengisolasi panas pada air selaman lebih dari 12 jam. Penelitian ini bertujuan untuk menguji kemampuan isolasi panas pada bahan alamiah yang digunakan yaitu serbuk gergaji pohon kelapa. Alat penyimpan air panas surya ini memiliki kapasitas 190 liter air. Tangki penyimpan air panas (water container) dibuat dari bahan aluminium dengan ketebalan 1,0 mm dan plat besi sebagai material sarung isolasi (isolation case). Tebal isolator sebesar 15 cm, dengan bentuk silinder silinder. Pada penggunaan serbuk gergaji batang kelapa, temperatur air awal 73 ℃ dan temperatur akhir 58 ℃. Kehilangan 15 oC setelah 12 jam dengan konduktivitas (k) 0,3070 W⁄(m^° K). Dari hasil tersebut, diperoleh bahwa serbuk gergaji pohon kelapa cukup baik untuk digunakan sebagai penghambat laju perpindahan panas.
PERANCANGAN DAN PEMBUATAN MESIN WATER JET CUTTING (WJC) SEBAGAI ALAT PEMOTONG LEMBARAN KARET Suheri, Suheri -; Fadillah, Nurul; nazaruddin, nazaruddin; Arif, Zainal
JMEMME (JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY) Vol 3, No 2 (2019): EDISI DESEMBER
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (256.127 KB) | DOI: 10.31289/jmemme.v3i2.3020

Abstract

Penerapan teknologi dalam upaya peningkatan ragam produk olahan berbahan baku karet merupakan usaha peningkatan nilai jual produk di tataran petani karet. Di tingkat hilir, petani karet umumnya menjual getah karet hasil sadapan tanpa melakukan proses pengolahan menjadi karet setengah jadi. Hal ini berdampak terhadap pendapatan petani karet yang masih rendah dan kurang memadai. Pemanfaatan air sebagai sumber energi untuk melakukan proses pemotongan produk karet ditetapkan mengingat air mudah diperoleh dan dengan menggunakan teknologi yang tepat dapat dimanfaatkan sebagai alat potong. Ditambahkan lagi hasil pemotongan yang diperoleh tidak mempengaruhi sifat-sifat mekanis karet. Prinsip dasar sistem pemotongan menggunakan air adalah mengkonversi air yang bertekanan rendah menjadi air yang bertekanan tinggi. Pengkonversian   air tersebut menggunakan pompa sederhana bertekanan 120-180 bar, umumnya digunakan untuk pembersihan mobil, lantai, dinding bangunan dan lain-lain. Namun, tekanan yang dihasilkan masih belum mencukupi untuk memotong material lunak, sehingga diperlukan perancangan sebuah nosel yang dapat menghasilkan tekanan air lebih tinggi. Proses drilling dilakukan dengan mengatur ketinggian Stand Of Distance(SOD) tertentu dan katup dibuka dengan waktu selama 2 detik, kemudian dipindah ke posisi yang lain untuk drilling lubang yang lain dan ditandai untuk SOD yang ditentukan tadi. Untuk setiap SOD dilakukan drilling minimum tiga lubang untuk replikasi. Variasi SOD diatur dari 5 mm hingga 35 mm dengan selang 5 mm. Sedangkan waktu drilling untuk masing-masing SOD dinaikkan dari 2 detik hingga 10 detik dengan tahapan 2 detik. Gambar 3 menunjukkan bahwa grafik pengaruh SOD terhadap kedalaman penetrasi secara keseluruhan dengan diameter nozzle 1 mm dan tekanan pompa konstan sebesar 150 bar. Dari grafik dapat dilihat pada SOD 5 mm dengan waktu drilling mulai dari 2 detik sampai 10 detik terjadi peningkatan kedalaman penetrasi yang signifikan. Begitu juga antara SOD 10 mm dan SOD 15 mm masih terjadi tren kenaikan kedalaman penetrasi. Pada saat SOD diatas 15 mm dengan waktu drilling mulai 2 detik sampai 10 detik terjadi sebaliknya, yaitu penurunan kedalaman penetrasi yang terus terjadi hingga SOD 35 mm apabila dibandingkan dengan kedalaman penetrasi yang terjadi antara SOD 5 mm sampai SOD 15 mm.
Studi Kemampuan Penyerapan Panas pada Atap Rumah Seng Berwarna Terhadap Intensitas Matahari dalam Mengatasi Global Warming Nazaruddin, Nazaruddin; Zulfadli, Teuku; Mulkan, Andi
International Journal of Natural Science and Engineering Vol 4, No 3 (2020)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (888.113 KB) | DOI: 10.23887/ijnse.v4i3.30065

Abstract

The environmental temperature has increased significantly reaching 33oC as felt by the community, one of which is in the Aceh region which triggers Global Warming. As a result of the increase in temperature in the Aceh area, many buildings and houses become uncomfortable especially during the daytime because most house with zinc roof. This will cause the temperature in the house and the air around it to increase. Therefore, it is necessary to do research on the study of heat absorption on colored zinc roofs. This research method is to calculate the heat absorption (sun intensity) in zinc that has been coated with several kinds of colors such as white, red, blue, yellow and black. The purpose of this study was to determine the color that has the least amount of heat absorption to the sun's intensity. The highest room temperature on zinc-coated black is 49.2° C and the lowest is in white.  40.9°C from the pen. In the environmental temperature observation, there is the highest temperature at 12.00.  Room temperature increased the highest temperature at 12.00 on black zinc.  The distribution of room temperature can be averaged with a yellow color of 46.0°C, a black color of 49.2°C, a blue of 45.5°C and a white zinc of 40.9 oC.  The heat absorbed in the room is 47.9 joules, so from the overall average of the test it can be described that the room temperature is 45.6 and the zinc temperature is 53.8oC from the highest temperature difference at 12.00 WIB, room temperature and 13.00 WIB the highest absorption occurs at zinc temperature.
Kaji Numerik Pengaruh Beban Awal, Kecepatan Permukaan Dan Radius Bearing Terhadap Ketebalan Lapisan Film Dan Tekanan Elastohydrodynamic Pada Cylindrical Roller Bearing Menggunakan Metode Beda Hingga Zulfikar, Zeta; Cupu, Dedi Rosa Putra; Nazaruddin, Nazaruddin
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Contact between the roller element with the inner or outer ring produces enormous pressure which can cause friction between the surfaces of the two objects. The continuous friction will result in wear and using lubricant between the two contacting surfaces becomes an important role to reduce friction as well as wear. There are several types of lubrication, one of them is elastohydrodinamic lubrication. In this study the numerical method of Finite Difference Method is used to solve Reynolds equation in order to investigate the effect of basic parameters such as initial load, surface speed and radius of the cylindrical roller bearing. A single contact of cylinder roller and inner ring is modeled as a contact between a solid cylinder and flat plate. The influence of temperature, non-newtonian fluids and dynamic loads are ignored in this research. Central-difference scheme in the Finite Element Method is used to solve the Reynolds equation for calculating the elastohydrodynamic pressure that occurs on a contact. The results obtained show that there is an influence of the initial load, velocity and also the radius of the pressure generated at the time of contact between the solid cylindrical bearing element and the thickness of the film layer formed between the two surfaces of the object. The greater load given will increase the maximum pressure, but reduce the minimum film thickness. While when given variations in velocity, increasing the minimum value of film thickness and reduce the maximum pressure. Likewise what happens when variations in radius are given, increasing the minimum value of film thickness and reducing the value of maximum pressure. Keywords: Elastohydrodynamic Lubrication, Film Thickness, Elastohydrodynamic Pressure, Finite Element Method
Co-Authors Afrizal, Efi arif, zainal - Bur, M Cupu, Dedi Rosa Putra Iskandar Iskandar Iskandar, Raihan Laka, Oktafatahna Lazardo, Iqbal Mahyuddin, A. I Mulkan, Andi Nasution, Mirza Nurul fadillah, Nurul Putra, Afriadham Rahman, Soleh Samudra, J Sorik, Sutan Suheri, Suheri - Syafri, Syafri Syafri, Syafri Taufik Hidayat Teuku Zulfadli Yudi Saputra Yuliani Yuliani Zulfikar, Zeta